11181520484 has 12 divisors (see below), whose sum is σ = 19843262208. Its totient is φ = 5512017000.

The previous prime is 11181520457. The next prime is 11181520547. The reversal of 11181520484 is 48402518111.

It is a happy number.

11181520484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11181520484² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19685492 + ... + 19686059.

It is an arithmetic number, because the mean of its divisors is an integer number (1653605184).

Almost surely, 2^11181520484 is an apocalyptic number.

It is an amenable number.

11181520484 is a deficient number, since it is larger than the sum of its proper divisors (8661741724).

11181520484 is a wasteful number, since it uses less digits than its factorization.

11181520484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39371626 (or 39371624 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 35.

The spelling of 11181520484 in words is "eleven billion, one hundred eighty-one million, five hundred twenty thousand, four hundred eighty-four".